[ 4348.784461][T29270] gre: GRE over IPv4 demultiplexer driver
[ 4350.465955][T29294] ip_gre: GRE over IPv4 tunneling driver
[ 4400.561583][T29865] ip6_gre: GRE over IPv6 tunneling driver
[ 4422.124310][T30114] ping (30114) used greatest stack depth: 23440 bytes left
[ 4435.145237][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4440.201176][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4444.553130][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4449.609146][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!